Stephen Hines | 86277eb | 2015-03-23 12:06:32 -0700 | [diff] [blame] | 1 | // RUN: %clangxx -fsanitize=nonnull-attribute -fno-sanitize-recover=all %s -O3 -o %t |
Stephen Hines | 6d18623 | 2014-11-26 17:56:19 -0800 | [diff] [blame] | 2 | // RUN: %run %t nc |
| 3 | // RUN: %run %t nm |
| 4 | // RUN: %run %t nf |
| 5 | // RUN: %run %t nv |
| 6 | // RUN: not %run %t 0c 2>&1 | FileCheck %s --check-prefix=CTOR |
| 7 | // RUN: not %run %t 0m 2>&1 | FileCheck %s --check-prefix=METHOD |
| 8 | // RUN: not %run %t 0f 2>&1 | FileCheck %s --check-prefix=FUNC |
| 9 | // RUN: not %run %t 0v 2>&1 | FileCheck %s --check-prefix=VARIADIC |
| 10 | |
| 11 | class C { |
| 12 | int *null_; |
| 13 | int *nonnull_; |
| 14 | |
| 15 | public: |
| 16 | C(int *null, __attribute__((nonnull)) int *nonnull) |
| 17 | : null_(null), nonnull_(nonnull) {} |
| 18 | int value() { return *nonnull_; } |
| 19 | int method(int *nonnull, int *null) __attribute__((nonnull(2))) { |
| 20 | return *nonnull_ + *nonnull; |
| 21 | } |
| 22 | }; |
| 23 | |
| 24 | __attribute__((nonnull)) int func(int *nonnull) { return *nonnull; } |
| 25 | |
| 26 | #include <stdarg.h> |
| 27 | __attribute__((nonnull)) int variadic(int x, ...) { |
| 28 | va_list args; |
| 29 | va_start(args, x); |
| 30 | int *nonnull = va_arg(args, int*); |
| 31 | int res = *nonnull; |
| 32 | va_end(args); |
| 33 | return res; |
| 34 | } |
| 35 | |
| 36 | int main(int argc, char *argv[]) { |
| 37 | int local = 0; |
| 38 | int *arg = (argv[1][0] == '0') ? 0x0 : &local; |
| 39 | switch (argv[1][1]) { |
| 40 | case 'c': |
| 41 | return C(0x0, arg).value(); |
| 42 | // CTOR: {{.*}}nonnull-arg.cpp:[[@LINE-1]]:21: runtime error: null pointer passed as argument 2, which is declared to never be null |
| 43 | // CTOR-NEXT: {{.*}}nonnull-arg.cpp:16:31: note: nonnull attribute specified here |
| 44 | case 'm': |
| 45 | return C(0x0, &local).method(arg, 0x0); |
| 46 | // METHOD: {{.*}}nonnull-arg.cpp:[[@LINE-1]]:36: runtime error: null pointer passed as argument 1, which is declared to never be null |
| 47 | // METHOD-NEXT: {{.*}}nonnull-arg.cpp:19:54: note: nonnull attribute specified here |
| 48 | case 'f': |
| 49 | return func(arg); |
| 50 | // FUNC: {{.*}}nonnull-arg.cpp:[[@LINE-1]]:19: runtime error: null pointer passed as argument 1, which is declared to never be null |
| 51 | // FUNC-NEXT: {{.*}}nonnull-arg.cpp:24:16: note: nonnull attribute specified here |
| 52 | case 'v': |
| 53 | return variadic(42, arg); |
| 54 | // VARIADIC: {{.*}}nonnull-arg.cpp:[[@LINE-1]]:27: runtime error: null pointer passed as argument 2, which is declared to never be null |
| 55 | // VARIADIC-NEXT: {{.*}}nonnull-arg.cpp:27:16: note: nonnull attribute specified here |
| 56 | } |
| 57 | return 0; |
| 58 | } |